Laurence victor ellis



July 10, 1928. 1,876,94s I L. V. ELLlS DRY CELL BATTERY Fl'ed Jan. 5, 1928 54 20' w "'ell'm'lw'f 25 z W v .HHHHHW 'W `Patented July 10, 1928.

i LAURENCE VICTOR ELLIS, OF NEW YORK, N. Y.

DBY-CELL BATTERY.

Application filed January 5, 1928. Serial No. 244,618.

This invention relates generally to the cells of dry batteries, and has more particular reference to a refillable battery cell.

The invention has for an object the pro-- to which the battery is used. A batter con-' V structed with the invention cells, is a apted for any open circuit work. It may be made in any size to fit the purpose for which lt is intended, such as for 4marine, stationary or auto ignition work,jbe1l and elevator signals, etc.

Other factors tending to deteriorate the cells of a battery, necessitating the replacement thereof are the keeping of the battery in either extreme cold or hot places, or where there ismuch vibration. Any of these causes will crack the pitch sealinfi' used to exclude air from the cells, therehy allowing the moisture of the electrolyte to evaporate, renderin the cell useless.

Since c lloride of ammonia (salammoniac) isthe basic or active chemical electrolyte of the dry cell batter and as this chemical may be purchase at a nominal price throughout the ci'vilized world wherever batteries are used, hence, the advantages of a refillable dry cell are obvious. lFor further comprehension of the invention and of the objects and advantages thereof, reference Will be had to the following description and accolnpanying drawings, and to the appended claims in which the various novel features of the inventon are more particularly set forth.

Referring to the accompanying drawing,

forming a material part of this disclosure: i Fig. 1 is a perspective view of a battery' cell constructed according to this invention. Fig. 2 is a central Vertical sectional view thereof.

' Fig. 3 is a side view of the cell without its casing. Fig. 4 is a fragmentary horizontal sectional view, taken on the line 4-4 of Fig. 2. Fig.` 5 is`` a fl'aginentary front view of Fig. 1 bntjillustrating a inodified form of the invention.

Fig. 6 is a fragmentary front view of Fig. 1 but illustrating another modified form of the inventon.`

Thereference numeral 10 indicates a zinc cup provided with a shoulder 11 near its upper end. A rubber stopper 12 is forced. into the top of the cup so that the bottom rests on the. shoulder 11. A rod 13 with a bottom cup 14 connected therewith is disposed through the center of stopper 12, and the reduced portion 15 of a carbon post 1G engages in the bottom cup 14. The spaces between the carbon post 16 and the cup 1.0 are filled with electrolyte.

A fibre casing 17 is engaged over the zinc cup 10 and the casing is provided with a side contact strip 18 which connects 'with the side of the zinc cup. The side contact Strip `18 is held against displacement by rivet 19, which connects with an outside contact 20. A rivet 21 supports a contact strip 22 and a cup to the top of the casing 17. The strip projects through the casing and has a downturned end 24 and the cup 23 connects With rod 13. The casng 17 is provided with a projecting pin 25 near its lower end and a bottom cover 26 engages over the bottom of the casing, and has a bayonet slot 27 engagingthe pin 25, which serves to hold the coverin place.

- Fig. 5 discloses the casing 17 provided with the projecting pin 25 engaged in a cam slot 27u which is a continuation of bayonet slot 27 of the bottom cover 26'. The top edge of the bottom cover 26' has ratchet teeth 80 engaged by a pawl 31 pvotally arranged on. the side of casing 17 and pressed into engageinent by spring 32. A stop 34 projects from the casing 17 and engages beneathwpawl 31. Turning the cover 26' towards the left serves to force the cover upwards and presses the zinc cup 10 upwards so that rod 13 connects with cup 23. Fig. 6 discloses another modification in which casing 17' is provided with threads 171" and the bottom cover 26'hl .is threadedly engaged on these threads.

The operation of the device consists in removing the bottom cover' then reinoving the zinc cup, complete as shown in Fig. 3, from the casing. Next the stopper 12 is removed and the electrolyteH replaced. Upon reassembling the various parts, the cell is again ready for use. v 1

While I have illustrated and described the preferred'form, construction and arrangement of the several elements employed7 it will be nnderstood` that the device is neverthel'ess, susceptible of considerable modification therein. and I therefore reserve the right and privilege of resorting to allsuch lchanges as may be fairly einbodied Within the spirit and scope of the invention as clainied;

Having thus described niy in'vention, What I claiin as new and desire to secure by United .States Letters Patent is:

1. A relillable cell for a dry battery, cornprising a zinc cup provided With a shoulder near its upper end, a rubber stopper forced intothe top of the cup and against Ithe shoulder, a rod With a bottorn cup disposed through the center of the stopper, a carbon post with areduced portion engaged in said botton'i cup, eletrolyte in the space between the carbon post and the zinc cup, a casing over 'said zinc cup, a contact strip on the inside of the casing and. engaging the zinc cup,- a contact on the outside lof he casing connected with the contact strip by means of a rivet,,a contact strip in the top of the casing, and projecting therefroin, acup adj aicent the contact strip, a rivet holding the latter cup and contact strip to the top of the casing, the said rod, disposed in the stopper engaged Vin the latter inentioned cup, and a b'ottoni cover for 'the casing.

2. refillable cell for a dry battery cornprisinga zinc cup, a rubberpstopper forced into thetopoftl'ie' cup, a rod With a bottoin 'cup .disposedthrough the center of the stopper, a carbon post With a reduced portion engaged'imsaid bottom cup, electrolyte in the space between the carbon post and the zinc cup, a casinp`` over said zinc cup, a contactstrip on the inside of the casing, and enga-ging the zinc cup, a contact on the outside of the casing connected with the conltact strip by means of a rivet, a contact strip in the top ofthe casing` and projectng therefrom,a cup adjacent the contact strip, a rivet holding the latter cup and contact strip to the top of the casing, the said rod disposcd in the stopper, engaged in the latter mentioned cup, and a bottom cover for the casing. i

3; A refill'able cell for a dry battery, comprisi'ng` a zinc cup provided with a sh'o'ulder r near its upper end, a rubber stopper forced into the top of the cup and against the shoulder, a rod disposedv through the center of thestopper, a carbon'post With a reduced portion connected'to .the rod, electrolytein the space between the carbon post and the zinc` cup, a overi said zinc cup,- a. con- .tact strip on the inside of the casing, and

engaging the zinc cup, av contacton the outslde of'the casing connected vwlth the ;contact strip by means of a rivet, a contact strip in ,the top of the casing and projecting therefrom, a cup adjacent the contact strip, a

rivet holding the latter cup and contact strip to'the top of the casing, the said rod disposed'pin 'the stopper, engaged in the latter nientioned cup, and a bottoin cover for the casing.

i the said rod disposed in the stopper, en'ga Len/8,945

of the casnig,

contacton the outside-of the casing `con"-' nccted With the contact strip by niean's of a' rivet,a contactstrip in the top' of the casing and projectingtherefroni,.a cup' adjacent the contact strip, a'i'ivetlioldi'ngfthelatter cup and contact strip :to the top 'of' the' casifng, a sed) in the ,latter lnentioned cup, and a bottoin cover forthe casing.

5. A reiillable cell for a dry battery, coniprising'A a zinc cup provided with a shoulder near' its upper end, aru'bberstopper ,'foi'ce'd into the top `vof the cup and against the shoulder, a rod with: a bo'ttoin cup disp'osed through the center of the stopper, a carbon'` post 'with a reduced portion ,engaged' in said bottoin cup, electrolyte, in the space between the carbon post and the zinc cup, a casing over said zinc cup, a contactfstrip 'on the inside Vof the casing, and engagingfthe. zinc cup, a 'contact on the outside of 'the c'asing connectedwith the contact strip, 'a contact strip in the top ofthe casing, 'and p'roj'ect'ng therefroin, a cup adjacent the contact strip, .a` rivet holding vthe, lattercup and `contact strip to the topof the casing, the siad'ro'd disposed in the stopper,engaged in the lat-ter nientioned cup, and'a bottoin cover for the f casing.

A refiuable cen for a 'di-y teatry, 'Comprising a zinccup provided with a shoulder I,

nearv its upper end, a rubber stopper fo'rced into the top of the cup, and` againstthe shoulder, a rod with a bottorn cup disposed through the center of the stopper, a carbon post With a reduced portion engaged inisaid bottom cup, electrolyte in the space between the carbon post and the zinc cup, a casing ,over said zinc cup, a contact 'strip on the inside of ,the casing, and engaging the zincl cup, a contact on the outside of the casing connected With the contact strip by means of a rivet, a contact strip in the top of the casing. and projectingg` therefroni, Aa cup. acent' the contact strip, a |rivet holding the letter cup and contact strip to the topV of the casing, the said rod disposed in the stopper' engaged in the latter inentioned'vcup, anda voottoni cover for the casing reinovably connected therewith.

7. In combination with a zinc battery cellhaving an upper contact connected to the carbon post thereof, a casing engaged over the cell, a side strip within the casing engaging the zinc portion of the cell, an outer con-` tact connected With the side strip, a top contact strip projectng from the caeing, a cup adjacent the top contact strip, a rivet holding the cup and top contact strip in place, a Ioottoin cover on the caeing, and engaging the bottoin ot the cell, the said bottoin cover being forincd with a bayonet slot, and a pin projecting from the cover, engaged with- .m the bayonet slot.

8. ln combination vWith a zinc battery cell having an upper contact connected to the carbon post thereof, a caeing engaged over the cell, a side strip within the casing engaging the zinc portion ot the cell, an outer contact connected with the side strip, a top contact strip projecting from the (racing, a cup adjacent the top contact strip, a rivet holding the cup and top contact strip in place, a bottom cover on the casing, and cngaging 'the bottoni of the coli, the said hottom cover being orlncd with a bayonet slot, and a cam :slot continucd lfroni the hayonet slot, a pin projocting ;troui the cover being cngaged in the cam slot, rack tecth on 'the top edge or the cover, and a spring prcesed pawi supported tron] the caeing and engag- 111g the rack teeth` l ln teetnnony whereot l have allixed niy signature.

` LA UREN CE VTOR ELLIS. 

